While the quality of the product may be very much essential for the smooth functioning of autos, amount also must be assured for the price paid. The sulphur content is lowered from 50 ppm to 10 ppm compared with BS-IV specification. By weighing the cylinder the quantity may be assured. Petrol/diesel retail outlet is outfitted with measuring cylinders and hydrometers to check the density. LPG cylinder signifies the tare...